1150203311 has 2 divisors, whose sum is σ = 1150203312. Its totient is φ = 1150203310.

The previous prime is 1150203287. The next prime is 1150203377. The reversal of 1150203311 is 1133020511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1150203311 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1150203311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150293311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575101655 + 575101656.

It is an arithmetic number, because the mean of its divisors is an integer number (575101656).

Almost surely, 2^1150203311 is an apocalyptic number.

1150203311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150203311 is an equidigital number, since it uses as much as digits as its factorization.

1150203311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1150203311 is about 33914.6474403023. The cubic root of 1150203311 is about 1047.7512906381.

Adding to 1150203311 its reverse (1133020511), we get a palindrome (2283223822).

The spelling of 1150203311 in words is "one billion, one hundred fifty million, two hundred three thousand, three hundred eleven".